A reinforced aluminum full-frame rear subframe

Abstract

The present invention relates to the field of vehicle frame technology, and specifically to a reinforced aluminum full-frame rear subframe, comprising a first frame plate, a connecting frame plate and a second frame plate, wherein a first inner cavity is formed on the first frame plate, and first connecting cavities are symmetrically formed at both ends of the first frame plate, a first connecting hole is formed at one end inside the first connecting cavity, and the first connecting hole passes through the first inner cavity, and the full-frame rear subframe consists of three parts, namely, the first frame plate, the connecting frame plate and the second frame plate, and can be disassembled for transportation and storage during transportation and storage, which greatly reduces the space occupied by the frame plate and facilitates transportation and storage, and when in use, the first frame plate, the connecting frame plate and the second frame plate can be quickly connected to form a whole, which is very convenient and quick, and simple to operate, and when one of the parts is damaged, it can be disassembled and replaced separately, thus avoiding waste of resources.

Description

Technical Field

[0001] The invention relates to the technical field of vehicle frames, in particular to a reinforced aluminum full-frame rear subframe. Background Art

[0002] The full-frame rear subframe is on the chassis. This component is used to connect the suspension and the body. The rear subframe can improve the comfort of the car and the rigidity of the car chassis. It can also block vibration and noise to prevent the two from directly entering the car compartment. The existing full-frame rear subframe is made of aluminum material. The full-frame rear subframe made of aluminum material can greatly reduce the weight of the car body, thereby improving the fuel economy and handling of the car. However, during the production and manufacturing of the existing aluminum full-frame rear subframe, in order to ensure its firmness, the connection between its various components is often achieved by welding. In this way, it is an integral part when leaving the factory, which occupies a large space, is inconvenient to transport and store the full-frame rear subframe, and is easily damaged by external forces. In addition, when a part of it is damaged during use, it needs to be replaced as a whole, and the damaged part cannot be replaced separately, resulting in a waste of resources. Summary of the invention

[0003] The object of the present invention is to provide a reinforced aluminum full-frame rear subframe to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A reinforced aluminum full-frame rear subframe comprises a first frame plate, a connecting frame plate and a second frame plate, wherein a first inner cavity is provided on the first frame plate, and first connecting cavities are symmetrically provided at both ends of the first frame plate, a first connecting hole is provided at one end inside the first connecting cavity, the first connecting hole penetrates into the first inner cavity, and a connecting lock hole is provided at the other end inside the first connecting cavity, and first reinforcing plates are symmetrically fixedly provided on the first frame plates at the upper and lower sides of the first connecting cavity, a first reinforcing channel is provided on the first reinforcing plate, a first connecting column is fixedly provided at one end of the connecting frame plate, the first connecting column is plugged into the first connecting cavity, and an installation cavity is provided on the first connecting column, a guide plug hole is provided inside the installation cavity, a receiving through hole is provided at one end of the connecting frame plate close to the first connecting column, and a receiving through hole is provided in the receiving through hole A connecting channel is provided, which is connected to the installation cavity. A second connecting column is fixedly provided at the other end of the connecting frame plate, a connecting socket is provided on the second connecting column, and reinforcing plug plates are symmetrically fixedly provided on the connecting frame plates on the upper and lower sides of the second connecting column, a second inner cavity is provided on the second frame plate, matching guide holes are symmetrically provided on the second frame plates on the upper and lower sides of the second inner cavity, and connecting through holes are symmetrically provided at both ends of the second frame plate, and limited position channels are symmetrically provided on the second frame plates on both sides of the connecting through holes, and second connecting cavities are also symmetrically provided at both ends of the second frame plate, a second connecting cavity is provided in the second connecting cavity, the second connecting hole penetrates the connecting through hole and the second inner cavity, and a second connecting column is plugged into the second connecting cavity, and a reinforced convenient connecting mechanism is provided on the first frame plate, the connecting frame plate and the second frame plate.

[0006] Preferably, the reinforced convenient connection mechanism includes a first sealing plate, a movable plate, a driving connecting plate, a second sealing plate, a movable plate and a movable connecting plate. The first sealing plate is fixedly installed at the cavity opening of the first inner cavity, and a limiting frame is fixedly arranged on the first sealing plate, and the limiting frame is inserted into the first inner cavity.

[0007] Preferably, a movable plate is symmetrically installed in the first inner cavity, a push-up connecting rod is fixedly arranged on the movable plate, the push-up connecting rod is inserted into the first connecting hole, and the push-up connecting rod part protrudes in the first connecting cavity, and a first spring is sleeved on the push-up connecting rod, and when the first sealing plate covers the first inner cavity, the limit frame contacts the movable plate.

[0008] Preferably, the driving connecting plate is inserted in the installation cavity, and an interlocking rod is fixedly provided on the driving connecting plate, the interlocking rod is inserted in the guide socket, and a second spring is sleeved on the interlocking rod, a first mating hinge rod is hinged on the driving connecting plate, the other end of the first mating hinge rod is hinged to a bearing strip, the bearing strip is inserted in the connecting channel, and connecting oblique frames are symmetrically fixedly provided on the bearing strip, and the connecting oblique frames are in the connecting channel.

[0009] Preferably, the connecting oblique frame is connected to a reinforcing lock plate, the reinforcing lock plate is inserted in the receiving through hole, and a connecting support plate is fixedly provided on the reinforcing lock plate, a connecting plug rod is fixedly provided on the connecting support plate, and the connecting plug rod is inserted in the connecting oblique frame.

[0010] Preferably, the second sealing plate is fixed at the cavity opening of the second inner cavity, and protruding plates are symmetrically fixedly provided at the upper and lower ends of the second sealing plate, guide rods are fixedly provided on the protruding plates, and the guide rods are inserted in the matching guide holes.

[0011] Preferably, a support rod is fixedly provided on the inner end surface of the second sealing plate, a push plate is fixedly provided on the support rod, a movable plate is symmetrically installed in the second inner cavity, a ramp block is fixedly provided on the movable plate, and a matching connecting rod is also fixedly provided on the movable plate, and the matching connecting rod is inserted in the second connecting hole.

[0012] Preferably, a third spring is sleeved on the mating connecting rod, and the third spring is located in the second inner cavity. A load-bearing connecting plate is fixedly provided on the mating connecting rod, and the load-bearing connecting plate is located in the connecting through hole. The upper and lower ends of the load-bearing connecting plate are symmetrically hinged with a second mating hinge rod, and the other end of the second mating hinge rod is hinged with a movable connecting plate.

[0013] Preferably, limit bars are symmetrically fixedly provided on both sides of the movable connecting plate, and the limit bars are inserted in the limit channels.

[0014] Preferably, a second reinforcing plate is fixedly provided on one end of the movable connecting plate away from the limiting strip, and a second reinforcing channel is provided on the second reinforcing plate.

[0015] Compared with the prior art, the invention has the following advantages:

[0016] 1. The full-frame rear subframe consists of three parts: a first frame plate, a connecting frame plate and a second frame plate. It can be split for transportation and storage, which greatly reduces the space it occupies and facilitates its transportation and storage. When in use, the first frame plate, the connecting frame plate and the second frame plate can be quickly connected to form a whole, which is very convenient and fast, and the operation is simple. When one of the parts is damaged, it can be disassembled and replaced separately, avoiding waste of resources.

[0017] 2. When assembling the full-frame rear subframe, the connecting frame plates are installed one by one at both ends of the first frame plate. During installation, the movable plate is pulled to make the push-out connecting rod withdraw from the first connecting cavity, and then the first connecting column is inserted into the first connecting cavity. The movable plate can be released to push the driving connecting plate under the action of the push-out connecting rod so that the interlocking plug rod is inserted into the connecting lock hole to realize the first layer of fixed connection between the connecting frame plate and the first frame plate. At the same time, as the driving connecting plate moves, it will drive the reinforcing lock plate to be inserted into the first reinforcing channel to realize the second layer of fixed connection between the first frame plate and the connecting frame plate, thereby fully ensuring the firmness of the connection between the two.

[0018] 3. When connecting the second frame plate and the connecting frame plate, the second connecting column is inserted into the second connecting cavity, and then the second sealing plate is covered on the second inner cavity. Under the action of the second sealing plate, the movable plate can be pushed to move, and then the matching connecting rod can be inserted into the connecting socket to realize the first layer of fixed connection between the connecting frame plate and the second frame plate. At the same time, it will also drive the movable connecting plate to move downward, so that the reinforcing plug plate can be inserted into the second reinforcing channel to realize the second layer of fixed connection between the connecting frame plate and the second frame plate, which fully ensures the firmness of the connection between the connecting frame plate and the second frame plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the assembly of the full-frame rear subframe.

[0020] Figure 2 A schematic diagram of the first frame plate assembly from a first perspective.

[0021] Figure 3 A schematic diagram from a second perspective of the first frame plate assembly.

[0022] Figure 4 This is a schematic diagram of the assembly inside the first inner cavity.

[0023] Figure 5 The figure is a schematic diagram of the assembly of connecting frame plates.

[0024] Figure 6 This is an exploded first-person view of the connected frame assembly.

[0025] Figure 7 for Figure 6 A magnified schematic diagram of center A.

[0026] Figure 8 Exploded diagram from the second perspective of the connected frame assembly.

[0027] Fig. 9 It is the assembly diagram of the second frame plate.

[0028] Fig.10 Exploded view of the second frame assembly.

[0029] Fig.11 It is an enlarged schematic diagram of point B in convex 10.

[0030] Fig.12 It is a schematic diagram of the structure of the second frame plate.

[0031] Fig.13 It is a structural schematic diagram of the first sealing plate.

[0032] In the figure: 1, first frame plate; 11, first inner cavity; 12, first connecting cavity; 13, first communicating hole; 14, connecting lock hole; 15, first reinforcing plate; 16, first reinforcing channel; 2, connecting frame plate; 21, first connecting column; 22, mounting cavity; 23, guide plug hole; 24, receiving through hole; 241, connecting channel; 25, second connecting column; 26, connecting plug hole; 27, reinforcing plug plate; 3, second frame plate; 31, second inner cavity; 32, matching guide hole; 33, connecting through hole; 34, limiting channel; 35, second connecting cavity; 36, second communicating hole; 4, first sealing plate; 41, limiting frame; 5 , movable plate; 51, push-up connecting rod; 52, first spring; 6, driving connecting plate; 61, interlocking plug rod; 62, second spring; 63, first matching hinge rod; 64, bearing strip plate; 65, connecting inclined frame; 66, reinforcing locking plate; 67, connecting supporting plate; 68, connecting plug rod; 7, second sealing plate; 71, protruding plate; 72, guide rod; 73, support rod; 74, pushing plate; 8, moving plate; 81, inclined block; 82, matching connecting rod; 83, third spring; 84, bearing connecting plate; 85, second matching hinge rod; 9, movable connecting plate; 91, limit strip; 92, second reinforcing plate; 93, second reinforcing channel. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figures 1 to 13 , the present invention provides a technical solution:

[0035] A reinforced aluminum full-frame rear subframe comprises a first frame plate 1, a connecting frame plate 2 and a second frame plate 3, wherein a first inner cavity 11 is provided on the first frame plate 1, and first connecting cavities 12 are symmetrically provided at both ends of the first frame plate 1, a first connecting hole 13 is provided at one end of the first connecting cavity 12, the first connecting hole 13 penetrates into the first inner cavity 11, and a connecting lock hole 14 is provided at the other end of the first connecting cavity 12, and first reinforcing plates 15 are symmetrically fixedly provided on the first frame plate 1 at the upper and lower sides of the first connecting cavity 12, a first reinforcing channel 16 is provided on the first reinforcing plate 15, a first connecting column 21 is fixedly provided at one end of the connecting frame plate 2, the first connecting column 21 is plugged into the first connecting cavity 12, and an installation cavity 22 is provided on the first connecting column 21, a guide plug hole 23 is provided inside the installation cavity 22, a receiving through hole 24 is provided at one end of the connecting frame plate 2 close to the first connecting column 21, and a receiving through hole 24 is provided There is a connecting channel 241, which is connected to the installation cavity 22. A second connecting column 25 is fixedly provided at the other end of the connecting frame plate 2. A connecting socket 26 is provided on the second connecting column 25, and reinforcing plug plates 27 are symmetrically fixedly provided on the connecting frame plates 2 on the upper and lower sides of the second connecting column 25. A second inner cavity 31 is provided on the second frame plate 3, and matching guide holes 32 are symmetrically provided on the second frame plates 3 on the upper and lower sides of the second inner cavity 31, and connecting through holes 33 are symmetrically provided at both ends of the second frame plate 3. Limited channels 34 are symmetrically provided on the second frame plates 3 on both sides of the connecting through holes 33, and second connecting cavities 35 are also symmetrically provided at both ends of the second frame plate 3. A second communicating hole 36 is provided in the second connecting cavity 35, and the second communicating hole 36 penetrates the connecting through hole 33 and the second inner cavity 31, and the second connecting column 25 is plugged into the second connecting cavity 35. A reinforced convenient connecting mechanism is provided on the first frame plate 1, the connecting frame plate 2, and the second frame plate 3.

[0036] The reinforced convenient connection mechanism includes a first sealing plate 4, a movable plate 5, a driving connecting plate 6, a second sealing plate 7, a movable plate 8 and a movable connecting plate 9. The first sealing plate 4 is fixedly installed at the cavity opening of the first inner cavity 11, and a limiting frame 41 is fixedly provided on the first sealing plate 4. The limiting frame 41 is inserted into the first inner cavity 11. In addition, the first sealing plate 4 can be fixed to the first frame plate 1 by screws.

[0037] A movable plate 5 is symmetrically installed in the first inner cavity 11, and a push-up connecting rod 51 is fixedly arranged on the movable plate 5. The push-up connecting rod 51 is inserted into the first connecting hole 13, and a part of the push-up connecting rod 51 protrudes in the first connecting cavity 12, and a first spring 52 is sleeved on the push-up connecting rod 51. When the first sealing plate 4 covers the first inner cavity 11, the limiting frame 41 contacts the movable plate 5, which limits the movable plate 5, so that the push-up connecting rod 51 cannot withdraw from the first connecting cavity 12, and the two ends of the first spring 52 are respectively welded to the movable plate 5 and the inner wall of the first inner cavity 11.

[0038] The driving connecting plate 6 is inserted in the installation cavity 22, and an interlocking rod 61 is fixedly provided on the driving connecting plate 6, the interlocking rod 61 is inserted in the guide socket 23, and a second spring 62 is sleeved on the interlocking rod 61, a first matching hinge 63 is hinged on the driving connecting plate 6, and the other end of the first matching hinge 63 is hinged with a bearing strip 64, the bearing strip 64 is inserted in the connecting channel 241, and a connecting oblique frame 65 is symmetrically fixed on the bearing strip 64, and the connecting oblique frame 65 is in the connecting channel 241, and the interlocking rod 61 is inserted in the connecting lock hole 14 when realizing the fixed connection between the first frame plate 1 and the connecting frame plate 2, and the two ends of the second spring 62 are respectively welded to the driving connecting plate 6 and the inner wall of the installation cavity 22.

[0039] The connecting oblique frame 65 is connected to a reinforcing lock plate 66, which is inserted into the receiving through hole 24, and a connecting support plate 67 is fixedly provided on the reinforcing lock plate 66, and a connecting plug rod 68 is fixedly provided on the connecting support plate 67, and the connecting plug rod 68 is inserted into the connecting oblique frame 65, and the connecting plug rod 68 is in contact with the inner wall of the connecting oblique frame 65. In addition, the reinforcing lock plate 66 is in contact with the inner wall of the receiving through hole 24, and the reinforcing lock plate 66 will not be separated from the receiving through hole 24 when moving. The reinforcing lock plate 66 is inserted into the first reinforcing channel 16 when realizing the fixed connection between the first frame plate 1 and the connecting frame plate 2.

[0040] The second sealing plate 7 is fixed at the cavity opening of the second inner cavity 31, and protruding plates 71 are symmetrically fixedly provided at the upper and lower ends of the second sealing plate 7, and guide rods 72 are fixedly provided on the protruding plates 71. The guide rods 72 are inserted into the matching guide holes 32. The second sealing plate 7 can be fixed to the second frame plate 3 by screws.

[0041] A support rod 73 is fixedly provided on the inner end surface of the second sealing plate 7, and a push plate 74 is fixedly provided on the support rod 73. A movable plate 8 is symmetrically installed in the second inner cavity 31, and a ramp block 81 is fixedly provided on the movable plate 8. A matching connecting rod 82 is also fixedly provided on the movable plate 8, and the matching connecting rod 82 is inserted into the second connecting hole 36.

[0042] A third spring 83 is sleeved on the mating connecting rod 82, the third spring 83 is in the second inner cavity 31, and the two ends of the third spring 83 are respectively welded to the inner wall of the second inner cavity 31 and the movable plate 8, and a load-bearing connecting plate 84 is fixedly arranged on the mating connecting rod 82, the load-bearing connecting plate 84 is in the connecting through hole 33, and the upper and lower ends of the load-bearing connecting plate 84 are symmetrically hinged with a second mating hinge 85, and the other end of the second mating hinge 85 is hinged with a movable connecting plate 9.

[0043] Limiting strips 91 are symmetrically fixedly disposed on both sides of the movable connecting plate 9 . The limiting strips 91 are inserted into the limiting passage 34 , and the limiting strips 91 are in contact with the inner wall of the limiting passage 34 .

[0044] A second reinforcing plate 92 is fixedly provided on one end of the movable connecting plate 9 away from the limiting strip 91 . A second reinforcing channel 93 is opened on the second reinforcing plate 92 . A reinforcing plug plate 27 is inserted into the second reinforcing channel 93 when the connecting frame plate 2 and the second frame plate 3 are fixedly connected.

[0045] When transporting and storing the full-frame rear subframe, it can be separated into three parts: the first frame plate 1, the connecting frame plate 2, and the second frame plate 3 for transportation and storage, which reduces the space occupied and facilitates transportation and storage. When assembling and using, the movable plate 5 is pulled to make the push-out connecting rod 51 withdraw from the first connecting cavity 12, and then the first connecting column 21 is inserted into the first connecting cavity 12, so that the movable plate 5 can be reset under the action of the first spring 52, so that the driving connecting plate 6 will be pushed to move under the action of the push-out connecting rod 51, so that the interlocking plug rod 61 is inserted into the connecting lock hole 14 to realize the connection between the first frame plate 1 and the connecting frame plate 2. The first layer of fixed connection is then driven by the movement of the connecting plate 6, and the bearing strip 64 is pushed to move under the action of the first matching hinge rod 63, and then the reinforcing lock plate 66 is driven to move under the action of the connecting inclined frame 65, so that part of it moves out of the receiving through hole 24 and is inserted into the first reinforcing channel 16 to realize the second layer of fixed connection between the first frame plate 1 and the connecting frame plate 2, and fully ensure the firmness of the connection between the two. When the first frame plate 1 and the connecting frame plate 2 are connected, the first sealing plate 4 is covered at the cavity opening of the first inner cavity 11 and fixed on the first frame plate 1, so that the limiting frame 41 is in contact with the movable plate 5, and the movable plate 5 is The plate 5 plays a role of limiting, ensuring the stability of the connection between the first frame plate 1 and the connecting frame plate 2, and then the second frame plate 3 is assembled, that is, the second connecting cavity 35 on the second frame plate 3 is sleeved on the second connecting column 25, and then the guide rod 72 on the second sealing plate 7 is inserted into the matching guide hole 32, and the second sealing plate 7 is pushed to make the pushing plate 74 move into the second inner cavity 31, and the pushing plate 74 will contact the inclined surface block 81, so that the moving plate 8 will be pushed to move in the opposite direction under the action of the pushing plate 74, thereby driving the matching connecting rod 82 to move, so that the matching connecting rod 82 will be inserted into the connecting plug on the second connecting column 25. The second coupling hinge 85 is used to connect the second frame plate 3 to the second frame plate 3, thereby making the second reinforcing channel 93 sleeved on the reinforcing plug plate 27, so as to realize the second fixed connection between the connecting frame plate 2 and the second frame plate 3, and fully ensure the firmness of the connection between the connecting frame plate 2 and the second frame plate 3. At this time, the assembly of the full-frame rear sub-frame is completed, and the operation is simple, convenient and fast. When a part of the full-frame rear sub-frame is damaged, it can be replaced separately, thus avoiding the waste of resources.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reinforced aluminum full-frame rear subframe, comprising a first frame plate (1), a connecting frame plate (2) and a second frame plate (3), characterized in that: The first frame plate (1) is provided with a first inner cavity (11), and first connecting cavities (12) are symmetrically provided at both ends of the first frame plate (1), a first connecting hole (13) is provided at one end of the first connecting cavity (12), the first connecting hole (13) penetrates into the first inner cavity (11), and a connecting lock hole (14) is provided at the other end of the first connecting cavity (12), and first reinforcing plates (15) are symmetrically fixedly provided on the first frame plate (1) at the upper and lower sides of the first connecting cavity (12), and a first reinforcing channel (16) is provided on the first reinforcing plate (15), and a first connecting column (21) is fixedly provided at one end of the connecting frame plate (2), and the first connecting column (21) is plugged into the first connecting cavity (12). A mounting cavity (22) is provided on the first connecting column (21), a guide plug hole (23) is provided inside the mounting cavity (22), a receiving through hole (24) is provided on one end of the connecting frame plate (2) close to the first connecting column (21), a connecting channel (241) is provided in the receiving through hole (24), the connecting channel (241) and the mounting cavity (22) are connected, a second connecting column (25) is fixedly provided on the other end of the connecting frame plate (2), a connecting plug hole (26) is provided on the second connecting column (25), and reinforcing plug plates (27) are symmetrically fixedly provided on the connecting frame plates (2) on the upper and lower sides of the second connecting column (25), a second inner cavity (31) is provided on the second frame plate (3), The second frame plate (3) is symmetrically provided with matching guide holes (32) on the upper and lower sides of the second inner cavity (31), and connecting through holes (33) are symmetrically provided at both ends of the second frame plate (3). The second frame plate (3) is symmetrically provided with limited position channels (34) on both sides of the connecting through holes (33). The second frame plate (3) is also symmetrically provided with second connecting cavities (35) at both ends. A second connecting hole (36) is provided in the second connecting cavity (35). The second connecting hole (36) passes through the connecting through hole (33) and the second inner cavity (31), and a second connecting column (25) is inserted in the second connecting cavity (35). The first frame plate (1), the connecting frame plate (2) and the second frame plate (3) are provided with a reinforced convenient connecting mechanism. The convenient connection mechanism comprises a first sealing plate (4), a movable plate (5), a driving connecting plate (6), a second sealing plate (7), a movable plate (8) and a movable connecting plate (9), wherein the first sealing plate (4) is fixedly mounted at the cavity opening of the first inner cavity (11), and a limit frame (41) is fixedly arranged on the first sealing plate (4), and the limit frame (41) is inserted into the first inner cavity (11), and the movable plate (5) is symmetrically mounted in the first inner cavity (11), and a push-out connecting rod (51) is fixedly arranged on the movable plate (5), and the push-out connecting rod (51) is inserted into the first connecting hole (13), and a portion of the push-out connecting rod (51) protrudes from the first connecting cavity (12), and a first spring (52) is sleeved on the push-out connecting rod (51),When the first sealing plate (4) covers the first inner cavity (11), the limiting frame (41) contacts the movable plate (5), the driving connecting plate (6) is inserted into the installation cavity (22), and an interlocking plug rod (61) is fixedly provided on the driving connecting plate (6), the interlocking plug rod (61) is inserted into the guide socket (23), and a second spring (62) is sleeved on the interlocking plug rod (61), a first matching hinge rod (63) is hinged on the driving connecting plate (6), and the other end of the first matching hinge rod (63) is hinged to a bearing strip plate (64), and the bearing strip plate (64) is inserted into the connecting channel (241), and A connecting oblique frame (65) is symmetrically fixedly provided on the bearing strip (64), the connecting oblique frame (65) is connected to a reinforcing locking plate (66), the reinforcing locking plate (66) is inserted into the receiving through hole (24), and a connecting support plate (67) is fixedly provided on the reinforcing locking plate (66), a connecting plug rod (68) is fixedly provided on the connecting support plate (67), and the connecting plug rod (68) is inserted into the connecting oblique frame (65), the second sealing plate (7) is fixed at the cavity opening of the second inner cavity (31), and protruding plates (71) are symmetrically fixedly provided at the upper and lower ends of the second sealing plate (7), and the protruding plates (71) are fixed on A guide rod (72) is provided, the guide rod (72) being inserted into the matching guide hole (32); a support rod (73) is fixedly provided on the inner end surface of the second sealing plate (7); a push plate (74) is fixedly provided on the support rod (73); a moving plate (8) is symmetrically installed in the second inner cavity (31); an inclined surface block (81) is fixedly provided on the moving plate (8); and a matching connecting rod (82) is also fixedly provided on the moving plate (8); a third spring (83) is sleeved on the matching connecting rod (82); the third spring (83) is in the second inner cavity (31); and the matching connecting rod (82) ) is fixedly provided with a load-bearing connecting plate (84), the load-bearing connecting plate (84) is in the connecting through hole (33), and the upper and lower ends of the load-bearing connecting plate (84) are symmetrically hinged with second matching hinge rods (85), the other end of the second matching hinge rod (85) is hinged with a movable connecting plate (9), and the two sides of the movable connecting plate (9) are symmetrically fixedly provided with limit strips (91), the limit strips (91) are inserted into the limit channel (34), and the end of the movable connecting plate (9) away from the limit strip (91) is fixedly provided with a second reinforcing plate (92), and the second reinforcing plate (92) is provided with a second reinforcing channel (93). , 2. The reinforced aluminum full-frame rear subframe according to claim 1, characterized in that: The connecting bevel frame (65) is located in the connecting channel (241).

3. The reinforced aluminum full-frame rear subframe according to claim 2, characterized in that: The matching connecting rod (82) is inserted into the second connecting hole (36).

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